/* $NetBSD: wired_map.h,v 1.3 2007/02/21 22:59:38 thorpej Exp $ */

/* $NetBSD: wired_map.h,v 1.3 2007/02/21 22:59:38 thorpej Exp $ */

/*-
* Copyright (C) 2000 Shuichiro URATA. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#define MIPS3_NWIRED_ENTRY 8
#define MIPS3_WIRED_SIZE MIPS3_PG_SIZE_MASK_TO_SIZE(MIPS3_PG_SIZE_16M)

#ifndef ARC_THRESHOLD_TO_USE_WIRED_TLB /* tunable */
#define ARC_THRESHOLD_TO_USE_WIRED_TLB (256 * 1024)
#endif

#include <mips/wired_map.h>

void arc_init_wired_map(void);
void arc_wired_enter_page(vaddr_t, paddr_t, vsize_t);
vaddr_t arc_contiguously_wired_mapped(paddr_t, vsize_t);
vaddr_t arc_map_wired(paddr_t, vsize_t);
bool arc_wired_map_extract(vaddr_t, paddr_t *);